p.252, icon at Example 2#1. Certain rules allow us to determine by inspection when a positive integer n is divisible by a positive integer k.For example, 5❘n if and only if n ends in the digit 5 or 0. Similarly, 2❘n if and only if n ends in one of the digits0, 2, 4, 6, 8.There is also a rule to determine divisibility by 3:3❘n if and only if the sum of the digits in n is divisible by 3.For example 3 | 478, 125 because the sum of the six digits in 478, 125 is 27, which is divisible by 3. Why does the rulework?

The divisibility rule for 3 works because when you group the digits of a number together according…

Answered: p.252, icon at Example 2 #1. Certain…

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter8: Arrays And Strings

Section: Chapter Questions

Problem 21PE

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